package com.itheima.service;

import com.itheima.pojo.Member;

import java.util.List;

public interface MemberService {
    //根据手机号查会员
    public Member findByTelephone(String telephone);
    //自动注册,使其成为会员
    public void add (Member member);
    //根据月份(12个)查询会员的数量
    public List<Integer> findMemberCountByMonths(List<String> months);
}
